| Agustin Serrano Minchan | Director | 1 Aug 2009 | 11 Feb 2022 | Spanish | 67 years |
| Alan Waterhouse | Secretary | 1 Sept 1998 | 27 Jul 2005 | British | - |
| Andrew Gerald Thomas | Director | 1 May 1996 | 1 Sept 1998 | British | 84 years |
| Carol Jayne Nunn | Secretary | 20 Dec 2012 | 17 May 2019 | - | - |
| Caterina De Feo | Secretary | 1 Aug 2009 | 31 Aug 2010 | Italian | - |
| Christopher Charles Robert Mack | Director | 25 Jul 1992 | 30 Apr 1996 | British | 83 years |
| Christopher John Billing | Director | 1 May 1996 | 25 Aug 1998 | British | 90 years |
| Christopher Kentigern Welsh | Director | 1 Sept 1998 | 6 Aug 1999 | British | 69 years |
| Christopher Peter Cohen | Director | 25 Jul 1992 | 2 Oct 1998 | British | 75 years |
| Christopher Peter Cohen | Secretary | 25 Jul 1992 | 1 Sept 1998 | British | - |
| Claire Favier Tilston | Secretary | 15 Dec 2006 | 10 Jan 2013 | British | - |
| Colin Austin Horan | Director | 25 Jul 1992 | 31 Mar 1996 | British | 87 years |
| David John Newton | Director | 25 Jul 1992 | 25 Aug 1998 | British | 89 years |
| Georgina Violet Crowhurst | Secretary | 15 Oct 2019 | 28 Jan 2020 | - | - |
| Hugh Allen Hoather | Director | 25 Jul 1992 | 9 Feb 1999 | British | 79 years |
| Hugh Charles Etheridge | Director | 24 Sept 2001 | 31 Jul 2003 | British | 76 years |
| James Robert Meredith | Director | 8 Sept 2003 | 27 Nov 2009 | British | 66 years |
| John Michael Huntington | Director | 1 Mar 1999 | 4 Apr 2001 | British | 75 years |
| John Singleton Davies | Director | 25 Jul 1992 | 30 Jun 2000 | British | 76 years |
| Jonathan Mark Bolton | Secretary | 27 Jul 2005 | 20 Oct 2008 | British | - |
| Joseph Thomas Major | Director | 2 Jan 2001 | 31 Jul 2003 | British | 66 years |
| Leslie James Davidson Cassells | Director | 15 Jan 2004 | 30 Nov 2009 | British | 72 years |
| Nigel Desmond Alexander Sandy | Director | 14 May 2001 | 31 Jul 2003 | British | 82 years |
| Paul David Swannell | Director | 2 Jan 2001 | 29 Mar 2002 | British | 67 years |
| Paul Taylor | Director | 1 Dec 2009 | 1 Aug 2023 | British | 67 years |
| Phillip Wesley Burns | Director | 31 Jul 2003 | 30 Sept 2003 | British | 57 years |
| Quentin Richard Stewart | Director | 31 Jul 2003 | 30 Sept 2003 | British | 58 years |
| Robert David Lindsay Kelly | Director | 1 Sept 1998 | 10 Feb 1999 | Welsh | 67 years |
| Ruth Catherine Prior | Director | 8 Sept 2003 | 15 Jan 2004 | British | 59 years |
| Samantha Jane Calder | Secretary | 27 Jul 2005 | 28 Sept 2006 | British | - |
| Stephen Nigel Jennings | Director | 1 Jul 2000 | 31 Jul 2003 | British | 64 years |
| Stephen Nigel Jennings | Director | 6 Oct 2006 | 11 Jun 2010 | British | 64 years |
| Steven Neville Hardman | Director | 29 Oct 2003 | 5 Dec 2003 | British | 58 years |
| Steven Neville Hardman | Director | 16 Aug 2004 | 30 Apr 2008 | British | 58 years |
| Steven Neville Hardman | Secretary | 22 Jun 2004 | 16 Aug 2004 | British | - |
| Vicente Federico Orts-llopis | Director | 1 Dec 2009 | 31 Jan 2024 | Spanish | 64 years |
| Victoria Bunton | Secretary | 26 Oct 2011 | 20 Dec 2012 | - | - |
| William Anthony Trendell | Director | 12 Apr 1999 | 24 Sept 2001 | British | 71 years |